MCP2221 HID Library
USB

MCP2221 HID Library

Zak's Electronics Blog published a new library and breakout board for MCP2221 USB to UART interface IC: This is a library for interfacing with the HID features of the MCP2221 USB to UART and I2C/SMBus serial converter from Microchip. The converter includes 4 GPIO pins, 3x 10-bit...

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ESP8266 + Attiny85 + DHT22 Temperature/Humidity Logger
Mcu

ESP8266 + Attiny85 + DHT22 Temperature/Humidity Logger

by guibom @ github.com: Basic ESP8266 + Attiny85 + DHT22 Temperature and Humidity logger. I've made this to experiment a bit with the ESP8266 wifi module, and hopefully make a remote sensor that posts the data to my server. I wrote the code to work with both an atmega328 and a...

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Enclosure 1455 NHD won’t be scared by a hot summer
Products

Enclosure 1455 NHD won’t be scared by a hot summer

The latest extruded aluminium enclosure from Hammond production - 1455 NHD is suitable even for devices requiring more intensive cooling. The latest addition to the family of the popular 1455 enclosure series is the enclosure with “NHD” suffix – where “HD” marks “Heat...

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Triacs – How to calculate power and predict Tjmax
Basic Electronics

Triacs – How to calculate power and predict Tjmax

An application note from NXP on how to calculate the power dissipated by the triac: This Application Note describes how to calculate the power dissipation for triacs and Silicon Controlled Rectifiers. Thermal calculations are also included to help the circuit designer to predict the...

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Milk in Fridge – Internet of Things
Mcu

Milk in Fridge – Internet of Things

by samsungite @ instructables.com: I think that one day, all food cupboards & fridges/freezers will be smart. All products will have an RFID or video recognizable label which will update a list of product usage. Your local supermarket will gather this information & replenish...

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50,000V High Voltage Power Supply
High Voltage

50,000V High Voltage Power Supply

by Victor8o5 @ instructables.com: This high voltage power supply has been designed to output a fixed voltage of around 50kV, it could easily be converted to an adjustable supply by connecting a variac in case of using transformers or by adding some extra circuitry to regulate the...

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Burning Arduino Bootloader on ATMega328 using USBasp Programmer
Arduino

Burning Arduino Bootloader on ATMega328 using USBasp Programmer

In this tutorial, you'll learn how to burn Arduino bootloader on a new ATmega328 using USBasp ISP programmer. Every Arduino Uno Board comes with a microcontroller called the Atemga328P, and they are already pre-program with Arduino Bootloader firmware. Therefore, there is no need to burn...

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Automotive Chip-On-Glass LCD Dot Matrix Driver
LCD/OLED

Automotive Chip-On-Glass LCD Dot Matrix Driver

The automotive products are quite recognized nowadays. It brings high demand on automotive chip and other related electronic devices. These demands are diverse, which brings difficulties to automotive developers. In this design, users are provided a modifiable firmware using...

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